What is the cheapest airline that flies from Trenton-Mercer to Denver Intl?

Frontier is the most popular carrier operating from Trenton-Mercer to Denver Intl

What airlines fly to Denver?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Denver from Trenton, New Jersey according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 8 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Trenton-Mercer Airport to Denver Intl Airport?

Prices for flights from Trenton-Mercer Airport to Denver Intl Airport were last updated today.

How many operators does momondo search for flights from Trenton-Mercer Airport to Denver Intl Airport?

There is 1 operator available for flights from Trenton-Mercer Airport to Denver Intl Airport as of December 2025.

How old do you have to be to fly from Trenton-Mercer Airport to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trenton-Mercer Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$76 Cheap Flights from Trenton to Denver in 2025/26

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Find the cheapest flights from Trenton, New Jersey to Denver

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:00 am - 8:20 am

TTN

DEN

26h 20m1 stop

6:32 pm - 11:09 am

DEN

TTN

14h 37m1 stop

$166Frontier

Wed, Jan 14 - Wed, Jan 21

12:45 pm - 10:59 pm

TTN

DEN

12h 14m1 stop

11:59 pm - 9:46 am

DEN

TTN

7h 47m1 stop

$182Frontier

Sat, Feb 21 - Wed, Feb 25

8:38 pm - 8:30 am

TTN

DEN

13h 52m1 stop

6:00 am - 11:59 pm

DEN

TTN

15h 59m1 stop

$183Frontier

Thu, Feb 5 - Thu, Feb 12

3:21 pm - 10:00 am

TTN

DEN

20h 39m1 stop

6:32 pm - 2:26 pm

DEN

TTN

17h 54m1 stop

$187Frontier

Tue, Jan 20 - Tue, Jan 27

6:00 am - 10:30 am

TTN

DEN

30h 30m1 stop

11:30 am - 9:38 pm

DEN

TTN

8h 08m1 stop

$202Frontier

Mon, Jan 12 - Sat, Jan 17

8:00 am - 5:33 pm

TTN

DEN

11h 33m1 stop

11:30 am - 9:44 pm

DEN

TTN

8h 14m1 stop

$203Frontier

Sat, Jan 10 - Tue, Jan 13

3:21 pm - 8:30 am

TTN

DEN

19h 09m1 stop

7:00 am - 11:59 pm

DEN

TTN

14h 59m1 stop

$204Frontier

Wed, Feb 4 - Mon, Feb 9

2:32 pm - 10:59 pm

TTN

DEN

10h 27m1 stop

9:44 am - 7:13 pm

DEN

TTN

7h 29m1 stop

$217Frontier

Thu, Jan 8 - Sun, Jan 11

3:21 pm - 5:36 pm

TTN

DEN

28h 15m1 stop

9:41 am - 11:09 am

DEN

TTN

23h 28m1 stop

$218Frontier

Wed, Jan 21 - Fri, Jan 23

8:00 am - 5:33 pm

TTN

DEN

11h 33m1 stop

11:30 am - 9:44 pm

DEN

TTN

8h 14m1 stop

$225Frontier

Sat, Jan 10 - Tue, Jan 13

Frontier flights from Trenton, New Jersey to Denver

Our best Frontier deals on Trenton, New Jersey to Denver flight tickets

Frontier

Jan 21

TTN3:21 pmTrenton-Mercer

19h 09m

1 stop

DEN8:30 amDenver Intl

Jan 24

DEN1:20 pmDenver Intl

20h 06m

1 stop

TTN11:26 amTrenton-Mercer

$166

Find similar

Frontier

Jan 22

TTN8:38 pmTrenton-Mercer

13h 52m

1 stop

DEN8:30 amDenver Intl

Jan 31

DEN6:32 pmDenver Intl

12h 04m

1 stop

TTN8:36 amTrenton-Mercer

$182

Find similar

Frontier

Jan 5

TTN9:21 pmTrenton-Mercer

22h 12m

1 stop

DEN5:33 pmDenver Intl

Jan 8

DEN6:31 pmDenver Intl

27h 28m

1 stop

TTN11:59 pmTrenton-Mercer

$183

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Trenton, New Jersey to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Wed 1/14

8:00 am-8:20 am

1 stop26h 20m

Denver Intl

Wed 1/21

6:32 pm-11:09 am

1 stop14h 37m

$166

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Sat 2/21

12:45 pm-10:59 pm

1 stop12h 14m

Denver Intl

Wed 2/25

11:59 pm-9:46 am

1 stop7h 47m

$182

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Thu 2/5

8:38 pm-8:30 am

1 stop13h 52m

Denver Intl

Thu 2/12

6:00 am-11:59 pm

1 stop15h 59m

$183

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Tue 1/20

3:21 pm-10:00 am

1 stop20h 39m

Denver Intl

Tue 1/27

6:32 pm-2:26 pm

1 stop17h 54m

$187

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Mon 1/12

6:00 am-10:30 am

1 stop30h 30m

Denver Intl

Sat 1/17

11:30 am-9:38 pm

1 stop8h 08m

$202

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Sat 1/10

8:00 am-5:33 pm

1 stop11h 33m

Denver Intl

Tue 1/13

11:30 am-9:44 pm

1 stop8h 14m

$203

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Wed 2/4

3:21 pm-8:30 am

1 stop19h 09m

Denver Intl

Mon 2/9

7:00 am-11:59 pm

1 stop14h 59m

$204

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Thu 1/8

2:32 pm-10:59 pm

1 stop10h 27m

Denver Intl

Sun 1/11

9:44 am-7:13 pm

1 stop7h 29m

$217

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Wed 1/21

3:21 pm-5:36 pm

1 stop28h 15m

Denver Intl

Fri 1/23

9:41 am-11:09 am

1 stop23h 28m

$218

TrentonDenver

TTN - DEN

TTNDEN

Trenton-Mercer

Sat 1/10

8:00 am-5:33 pm

1 stop11h 33m

Denver Intl

Tue 1/13

11:30 am-9:44 pm

1 stop8h 14m

$225

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Trenton, New Jersey to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $363. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $445.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $284. Flights in the morning are often more expensive with an average ticket price of $418.

When to book flights from Trenton, New Jersey to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Trenton, New Jersey to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Trenton, New Jersey to Denver (TTN to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Trenton, New Jersey to Denver

Fastest flight time	9h 21m
Direct flights	None

The fastest flight from Trenton, New Jersey to Denver takes 9h 21m

There are no direct flights from Trenton, New Jersey to Denver. There are no popular flight routes from Trenton, New Jersey to Denver.

Search flight deals

How far is Trenton-Mercer to Denver Intl by plane?
Denver Intl is 1591.7 mi away from Trenton-Mercer. A reasonable flight in good conditions will take 9h 21m.
When did momondo last update prices for flights from Trenton-Mercer Airport to Denver Intl Airport?
Prices for flights from Trenton-Mercer Airport to Denver Intl Airport were last updated today.
How many operators does momondo search for flights from Trenton-Mercer Airport to Denver Intl Airport?
There is 1 operator available for flights from Trenton-Mercer Airport to Denver Intl Airport as of December 2025.
How old do you have to be to fly from Trenton-Mercer Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Trenton-Mercer Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Trenton, New Jersey to Denver?
Based on momondo bookings for flights between Trenton, New Jersey and Denver, the leading airline is Frontier, making up 100% of the total bookings.

Best airlines flying from Trenton, New Jersey to Denver

Compare and see reviews for airlines that fly from Trenton, New Jersey to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $108	Free Cancellation	Rating 5.8 3,077 reviews		Search Frontier flights

Breckenridge

Estes Park

Black Hawk

Aurora

Fort Collins

Keystone

Cripple Creek

Manitou Springs

Longmont

Boulder

Greeley

Lakewood

Thornton

Westminster

Winter Park

Copper Mountain

Silverthorne

Frisco

Centennial

Grand Lake

Why use momondo?

Why should I use momondo to find a flight deal from Trenton to Denver?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Trenton to Denver. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Trenton to Denver with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Trenton to Denver flights to just show those with flexible booking policies.

How can momondo help me find flights from Trenton to Denver?

Once all potential Trenton to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Trenton to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Trenton. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.